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Finding the Fourth Proportional to 65,495.67, 98,326.53 and 54,536.37

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Solution

The fourth proportional to 65,495.67, 98,326.53 and 54,536.37 is: 81,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,495.67 : 98,326.53 = 54,536.37 : x
  2. Step 2: Convert to fraction form
    65,495.67/98,326.53 = 54,536.37/x
  3. Step 3: Cross multiply
    65,495.67x = 98,326.53 × 54,536.37
  4. Step 4: Simplify right side
    65,495.67x = 5,362,372,020.90
  5. Step 5: Solve for x
    x = 5,362,372,020.90/65,495.67
  6. Step 6: Final answer
    x = 81,873.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.